I kinda forgot about the project and about this post. For anyone interested, you can download the project spreadsheet from here: 24-step Shunt Stepped Attenuator calculator (onedrive) This file is protected by CC 4.0 NC-BY-SA.

Update on the Sundara jack replacement with the PJ-327A gold-plated SMD jack. ALMOST A DISASTER! not quite, just clickbait. Well, the jack was about 0.1mm too wide and almost did not fit in the CNC carved hole where it's supposed to sit, but with some elbow grease and some finicking, I managed...

It truly depends on your will to do the repair yourself. It does not seem to be particularly hard from my point of view, but who am I to judge. I've been a month without headphones due to having a problem with my previous headphones, Audio Technica ATH-R70X, and after 22 months of use Amazon...

I'm trying to revive this post since I found the issue for anyone wondering. This issue is not a driver imbalance per-se. In reality it is the jack's own contact resistance that is causing the problem. Try to wiggle the cable and you'll hear the imbalance appearing and disappearing. It might not...

Good day everybody! This is my first post as you might tell, and if not, you already have :D I am an EE student that loves music and tinkering with audio. I am currently designing a HiFi Class-D amplifier based on the TPA3255 using the PFFB design, and I wanted to use a stepped attenuator for...